limit-tu 0

q bitrate ssim vmaf speed x265 --y4m -D10 --asm avx512 -pslowxx --crf {q} --tu-inter-depth 4 --tu-intra-depth 4 --limit-tu 0 -o "{o}" -
14 11457.46 kbps 0.9996298785170439 98.79842901862266 7.39 fps
18 6540.6 kbps 0.999319051268131 98.56267430040833 9.02 fps
22 4128.96 kbps 0.9987447168461997 98.12817234965117 10.42 fps
26 2704.78 kbps 0.9975859955360831 97.2179085098079 11.77 fps

limit-tu 1

q bitrate ssim vmaf speed x265 --y4m -D10 --asm avx512 -pslowxx --crf {q} --tu-inter-depth 4 --tu-intra-depth 4 --limit-tu 1 -o "{o}" -
14 11408.77 kbps 0.9996283129802312 98.79444555001629 8.52 fps
18 6535.14 kbps 0.9993174541241411 98.55956767506336 10.44 fps
22 4117.51 kbps 0.9987416882022251 98.11731671117224 12.12 fps
26 2696.72 kbps 0.9975797381359989 97.18655113835837 13.79 fps

limit-tu 2

q bitrate ssim vmaf speed x265 --y4m -D10 --asm avx512 -pslowxx --crf {q} --tu-inter-depth 4 --tu-intra-depth 4 --limit-tu 2 -o "{o}" -
14 11433.92 kbps 0.9996299174089921 98.79835241985509 8.63 fps
18 6543.26 kbps 0.9993187786699587 98.56091104914812 10.5 fps
22 4118.2 kbps 0.9987429645170787 98.12014182578326 12.13 fps
26 2698.56 kbps 0.997582039170677 97.19608046980268 13.76 fps

limit-tu 3

q bitrate ssim vmaf speed x265 --y4m -D10 --asm avx512 -pslowxx --crf {q} --tu-inter-depth 4 --tu-intra-depth 4 --limit-tu 3 -o "{o}" -
14 11436.83 kbps 0.9996298418960393 98.79838648757685 8.81 fps
18 6542.53 kbps 0.9993191548118864 98.56144108203924 10.78 fps
22 4123.97 kbps 0.9987426407373118 98.11757209641314 12.6 fps
26 2697.64 kbps 0.9975826566456375 97.19603023531393 14.34 fps

limit-tu 4

q bitrate ssim vmaf speed x265 --y4m -D10 --asm avx512 -pslowxx --crf {q} --tu-inter-depth 4 --tu-intra-depth 4 --limit-tu 4 -o "{o}" -
14 11440.66 kbps 0.9996298501138431 98.79704977811518 9.08 fps
18 6543.33 kbps 0.9993189113342628 98.56102979454351 11.11 fps
22 4123.23 kbps 0.9987431207136765 98.11981967861831 12.87 fps
26 2697.45 kbps 0.9975817650896133 97.19493584232676 14.62 fps